Tiki Wiki CMS Groupware is a full-featured, Web-based, multilingual, tightly integrated, all-in-one wiki, CMS, and groupware. Tiki can be used to create all kinds of Web applications, sites, portals, knowledge bases, intranets, and extranets. Tiki offers a very large number of features "out-of-the-box". It is highly configurable and modular. All features are optional and administered via a Web-based interface. Major features include a robust wiki engine, news articles, discussion forums, newsletters, blogs, file and image galleries, bug and issue trackers, a link directory, polls/surveys and quizzes, FAQs, a banner management system, calendar, maps, mobile access, RSS feeds, a category system, tags, an advanced themeing engine (Smarty), spreadsheet, live support, shoutbox, inter-user messaging, menu generator, advanced permission system for users and groups, internal search engine, external authentication support, and more. It was formerly named TikiWiki.

CloverETL is Java-based tool/framework for data
integration and creation of data transformations.
It is component based and follows the concept of
transformation graphs which consist of individual
nodes/components performing simple (or complex)
operations on data. Any transformation can be
defined as a set of interconnected nodes through
which data flows. CloverETL can be used as a
standalone application or be embedded into a
larger project.

Freehelpdesk is feature-rich help desk system
designed from the ground up to meet the demands of
help desk staff and their users. It is a Web-based
system that can accept new calls from your users
directly into the system. Calls can be tracked and
searched to enable faster response times.

Nuxeo Platform provides a
framework and set of components to address document management and
collaboration needs, including metadata/taxonomies, versioning, lifecyle
management, workflow, relations, searching, reporting, transformation,
auditing, and retention. Its flexible extension system, based on OSGi,
allows developers to quickly configure and extend the platform by
creating new components. Its default Web user interface, based on the
JSF standard, uses AJAX to create a pleasant user experience. It can
also be accessed by a rich client interface through the use of Web
services, for instance using the Eclipse-based Nuxeo RCP rich client
platform.

TWiki is a flexible, powerful, and simple Web based collaboration platform. It is suitable for dynamic intranets and knowledge bases, and for sharing and managing documents and collaborative projects. It resembles a normal Web site, but every page can be changed from a browser. It features automatic link generation, full text search, group authorization, Web forms, reporting, change notification, file attachments, revision control of pages and attachments, a modular templating system with skins, hierarchical navigation based on the topic parenting feature, and more. Plugins can be used to enhance the program and build groupware applications.

RT is an industrial-grade trouble ticketing system. It lets a group of people intelligently and efficiently manage requests submitted by a community of users. RT is used by systems administrators, customer support staffs, NOCs, developers, and even marketing departments to track issues, outages, bugs, requests, and all kinds of other things at thousands of sites around the world.

The Imixs Workflow project offers a Java based BPM framework to build workflow management systems (WFMS) in a fast and easy way. The project provides different components and sub-projects that contribute to the development of workflow solutions in any kind of Java or Java EE application. The goal of this project is to offer an easy-to-use Java based technology with a focus on human based workflow. This means that the Imixs Workflow is typically applied to human-to-human workflow applications. But it can also be used for technical business process management solutions (BPM). The Imixs JEE Workflow is a full featured Workflow Management System (WFMS) based on the JEE specification. The project extends the Imixs Workflow API project to fulfill the requirements to a scalable, transactional, robust and simple deployable Java EE Workflow System. The Project provides different service components (EJBs) to be used in any kind of BPM application.